🌌 Stone's Star System Generator

Planet 1 - Terrestrial

Semi-Major Axis: 1.95 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.38

Radius: 1.81

Gravity: 1.34 G

Time & Orbit

Eccentricity (e): 0.156

Orbit Range: 1.65 AU - 2.25 AU

Year: 953 Days

Day: 19.4 Hours

Environment

Temp: -51 °C

Axial Tilt: 22.5 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 2 - Terrestrial

Semi-Major Axis: 2.53 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.32

Radius: 1.12

Gravity: 1.05 G

Time & Orbit

Eccentricity (e): 0.082

Orbit Range: 2.32 AU - 2.74 AU

Year: 1408 Days

Day: 41.9 Hours

Environment

Temp: -73 °C

Axial Tilt: 34.7 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 3 - Terrestrial

Semi-Major Axis: 3.46 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.59

Radius: 0.81

Gravity: 0.9 G

Time & Orbit

Eccentricity (e): 0.013

Orbit Range: 3.42 AU - 3.5 AU

Year: 2252 Days

Day: 28.5 Hours

Environment

Temp: -108 °C

Axial Tilt: 43.5 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Asteroid Belt

Center: 4.89 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 4 - Gas Giant

Semi-Major Axis: 6.31 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 347.9

Radius: 14.1

Gravity: 1.75 G

Time & Orbit

Eccentricity (e): 0.017

Orbit Range: 6.2 AU - 6.42 AU

Year: 5545 Days

Day: 12 Hours

Environment

Temp: -140 °C

Axial Tilt: 25.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 63,859,087 km

• M1: 175,329 km (0.103 R)
• M2: 939,175 km (0.11 R)
• M3: 1,684,472 km (0.108 R)
• M4: 2,374,118 km (0.089 R)
• M5: 2,854,178 km (0.105 R)
• M6: 4,145,357 km (0.072 R)
• M7: 5,177,582 km (0.075 R)
• M8: 7,119,063 km (0.114 R)
• M9: 7,990,172 km (0.096 R)
• M10: 9,985,658 km (0.084 R)
• M11: 10,948,021 km (0.099 R)
• M12: 12,815,601 km (0.102 R)
• M13: 14,002,959 km (0.104 R)
• M14: 17,765,944 km (0.093 R)
• M15: 18,740,724 km (0.107 R)
• M16: 21,198,766 km (0.098 R)
• M17: 22,086,929 km (0.054 R)

Planet 5 - Gas Giant

Semi-Major Axis: 6.87 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 276.2

Radius: 13.3

Gravity: 1.56 G

Time & Orbit

Eccentricity (e): 0.048

Orbit Range: 6.54 AU - 7.2 AU

Year: 6300 Days

Day: 6.9 Hours

Environment

Temp: -144 °C

Axial Tilt: 1.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (22)

Outer Limit: 63,859,087 km

• M1: 170,990 km (0.117 R)
• M2: 625,170 km (0.058 R)
• M3: 1,181,674 km (0.096 R)
• M4: 1,664,127 km (0.101 R)
• M5: 2,293,784 km (0.12 R)
• M6: 2,715,201 km (0.11 R)
• M7: 3,475,757 km (0.118 R)
• M8: 4,036,749 km (0.09 R)
• M9: 5,210,494 km (0.096 R)
• M10: 6,092,373 km (0.106 R)
• M11: 7,103,804 km (0.12 R)
• M12: 8,295,800 km (0.111 R)
• M13: 8,808,323 km (0.078 R)
• M14: 11,696,310 km (0.107 R)
• M15: 13,157,731 km (0.103 R)
• M16: 14,266,401 km (0.085 R)
• M17: 16,842,626 km (0.105 R)
• M18: 18,827,490 km (0.083 R)
• M19: 21,233,473 km (0.09 R)
• M20: 23,473,851 km (0.099 R)
• M21: 25,483,548 km (0.114 R)
• M22: 26,022,699 km (0.103 R)

Planet 6 - Gas Giant

Semi-Major Axis: 7.46 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 310.3

Radius: 13.1

Gravity: 1.81 G

Time & Orbit

Eccentricity (e): 0.178

Orbit Range: 6.13 AU - 8.79 AU

Year: 7128 Days

Day: 7 Hours

Environment

Temp: -159 °C

Axial Tilt: 7.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 63,859,087 km

• M1: 163,660 km (0.069 R)
• M2: 750,832 km (0.084 R)
• M3: 1,261,110 km (0.079 R)
• M4: 1,882,540 km (0.117 R)
• M5: 2,421,242 km (0.095 R)
• M6: 3,195,859 km (0.117 R)
• M7: 3,947,589 km (0.106 R)
• M8: 6,041,360 km (0.089 R)
• M9: 7,125,197 km (0.115 R)
• M10: 9,470,443 km (0.038 R)
• M11: 11,111,980 km (0.039 R)
• M12: 21,176,327 km (0.045 R)
• M13: 23,509,156 km (0.061 R)

Planet 7 - Gas Giant

Semi-Major Axis: 9.16 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 247

Radius: 12.2

Gravity: 1.66 G

Time & Orbit

Eccentricity (e): 0.023

Orbit Range: 8.95 AU - 9.37 AU

Year: 9699 Days

Day: 14.8 Hours

Environment

Temp: -160 °C

Axial Tilt: 13.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 63,859,087 km

• M1: 151,692 km (0.036 R)
• M2: 606,021 km (0.077 R)
• M3: 1,095,804 km (0.088 R)
• M4: 1,963,322 km (0.075 R)
• M5: 3,163,845 km (0.087 R)
• M6: 4,437,372 km (0.034 R)
• M7: 5,688,160 km (0.08 R)
• M8: 7,816,938 km (0.116 R)
• M9: 10,026,348 km (0.051 R)
• M10: 10,800,667 km (0.096 R)
• M11: 14,302,903 km (0.075 R)
• M12: 17,446,253 km (0.084 R)
• M13: 21,614,200 km (0.025 R)
• M14: 27,091,127 km (0.043 R)
• M15: 30,335,007 km (0.116 R)
• M16: 30,994,584 km (0.026 R)

Planet 8 - Ice Giant

Semi-Major Axis: 13.97 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 803

Radius: 3.8

Gravity: 55.61 G

Time & Orbit

Eccentricity (e): 0.079

Orbit Range: 12.87 AU - 15.07 AU

Year: 18267 Days

Day: 22 Hours

Environment

Temp: -191 °C

Axial Tilt: 33 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (36)

Outer Limit: 63,859,087 km

• M1: 47,273 km (0.105 R)
• M2: 362,176 km (0.118 R)
• M3: 726,447 km (0.038 R)
• M4: 1,077,703 km (0.116 R)
• M5: 1,389,166 km (0.069 R)
• M6: 1,888,075 km (0.102 R)
• M7: 4,877,788 km (0.058 R)
• M8: 5,679,334 km (0.107 R)
• M9: 6,520,672 km (0.114 R)
• M10: 7,298,581 km (0.084 R)
• M11: 9,369,165 km (0.076 R)
• M12: 12,811,412 km (0.114 R)
• M13: 14,697,841 km (0.102 R)
• M14: 17,263,594 km (0.109 R)
• M15: 20,394,977 km (0.098 R)
• M16: 21,452,185 km (0.104 R)
• M17: 22,748,151 km (0.105 R)
• M18: 23,884,646 km (0.113 R)
• M19: 24,520,288 km (0.102 R)
• M20: 25,936,082 km (0.049 R)
• M21: 28,810,156 km (0.115 R)
• M22: 29,530,171 km (0.077 R)
• M23: 32,401,552 km (0.116 R)
• M24: 35,045,096 km (0.118 R)
• M25: 38,258,608 km (0.117 R)
• M26: 39,862,746 km (0.1 R)
• M27: 40,606,397 km (0.101 R)
• M28: 41,663,157 km (0.115 R)
• M29: 45,748,525 km (0.082 R)
• M30: 45,910,839 km (0.1 R)
• M31: 46,399,874 km (0.095 R)
• M32: 51,307,881 km (0.071 R)
• M33: 54,887,160 km (0.094 R)
• M34: 58,247,577 km (0.115 R)
• M35: 59,784,246 km (0.097 R)
• M36: 68,720,774 km (0.112 R)

Planet 9 - Ice Giant

Semi-Major Axis: 18.48 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 209.7

Radius: 5.8

Gravity: 6.23 G

Time & Orbit

Eccentricity (e): 0.228

Orbit Range: 14.27 AU - 22.69 AU

Year: 27793 Days

Day: 16.6 Hours

Environment

Temp: -190 °C

Axial Tilt: 25 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 63,859,087 km

• M1: 73,901 km (0.081 R)
• M2: 258,655 km (0.047 R)
• M3: 613,650 km (0.065 R)
• M4: 1,056,909 km (0.11 R)
• M5: 1,676,543 km (0.092 R)
• M6: 3,517,345 km (0.116 R)
• M7: 8,287,124 km (0.066 R)
• M8: 12,517,751 km (0.053 R)
• M9: 13,039,848 km (0.097 R)
• M10: 15,127,636 km (0.114 R)
• M11: 22,233,535 km (0.093 R)
• M12: 22,902,237 km (0.086 R)
• M13: 26,767,547 km (0.082 R)
• M14: 28,294,642 km (0.052 R)
• M15: 33,223,443 km (0.089 R)
• M16: 45,802,081 km (0.097 R)
• M17: 50,720,410 km (0.071 R)
• M18: 53,731,815 km (0.028 R)

Kuiper Belt

Range: 31.4 - 53.4 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 488 - 13,743 AU

Composition

Type: Cometary Reservoir

System's final boundary, containing trillions of icy planetesimals.

Gravitational Limit